1 /* 2 * Copyright 2011 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef SkXPSDevice_DEFINED 9 #define SkXPSDevice_DEFINED 10 11 #include "SkTypes.h" 12 #include <ObjBase.h> 13 #include <XpsObjectModel.h> 14 15 #include "SkAutoCoInitialize.h" 16 #include "SkBitmapDevice.h" 17 #include "SkBitSet.h" 18 #include "SkCanvas.h" 19 #include "SkColor.h" 20 #include "SkPaint.h" 21 #include "SkPath.h" 22 #include "SkPoint.h" 23 #include "SkShader.h" 24 #include "SkSize.h" 25 #include "SkTArray.h" 26 #include "SkTScopedComPtr.h" 27 #include "SkTypeface.h" 28 29 /** \class SkXPSDevice 30 31 The drawing context for the XPS backend. 32 */ 33 class SkXPSDevice : public SkBitmapDevice { 34 public: 35 SK_API SkXPSDevice(); 36 SK_API virtual ~SkXPSDevice(); 37 38 virtual bool beginPortfolio(SkWStream* outputStream); 39 /** 40 @param unitsPerMeter converts geometry units into physical units. 41 @param pixelsPerMeter resolution to use when geometry must be rasterized. 42 @param trimSize final page size in physical units. 43 The top left of the trim is the origin of physical space. 44 @param mediaBox The size of the physical media in physical units. 45 The top and left must be less than zero. 46 The bottom and right must be greater than the trimSize. 47 The default is to coincide with the trimSize. 48 @param bleedBox The size of the bleed box in physical units. 49 Must be contained within the mediaBox. 50 The default is to coincide with the mediaBox. 51 @param artBox The size of the content box in physical units. 52 Must be contained within the trimSize. 53 The default is to coincide with the trimSize. 54 @param cropBox The size of the recommended view port in physical units. 55 Must be contained within the mediaBox. 56 The default is to coincide with the mediaBox. 57 */ 58 virtual bool beginSheet( 59 const SkVector& unitsPerMeter, 60 const SkVector& pixelsPerMeter, 61 const SkSize& trimSize, 62 const SkRect* mediaBox = NULL, 63 const SkRect* bleedBox = NULL, 64 const SkRect* artBox = NULL, 65 const SkRect* cropBox = NULL); 66 67 virtual bool endSheet(); 68 virtual bool endPortfolio(); 69 70 protected: 71 virtual void clear(SkColor color) SK_OVERRIDE; 72 73 virtual void drawPaint(const SkDraw&, const SkPaint& paint) SK_OVERRIDE; 74 75 virtual void drawPoints( 76 const SkDraw&, 77 SkCanvas::PointMode mode, 78 size_t count, const SkPoint[], 79 const SkPaint& paint) SK_OVERRIDE; 80 81 virtual void drawRect( 82 const SkDraw&, 83 const SkRect& r, 84 const SkPaint& paint) SK_OVERRIDE; 85 86 virtual void drawRRect( 87 const SkDraw&, 88 const SkRRect&, 89 const SkPaint& paint) SK_OVERRIDE; 90 91 virtual void drawPath( 92 const SkDraw&, 93 const SkPath& platonicPath, 94 const SkPaint& paint, 95 const SkMatrix* prePathMatrix, 96 bool pathIsMutable) SK_OVERRIDE; 97 98 virtual void drawBitmap( 99 const SkDraw&, 100 const SkBitmap& bitmap, 101 const SkMatrix& matrix, 102 const SkPaint& paint) SK_OVERRIDE; 103 104 virtual void drawSprite( 105 const SkDraw&, 106 const SkBitmap& bitmap, 107 int x, int y, 108 const SkPaint& paint) SK_OVERRIDE; 109 110 virtual void drawText( 111 const SkDraw&, 112 const void* text, size_t len, 113 SkScalar x, SkScalar y, 114 const SkPaint& paint) SK_OVERRIDE; 115 116 virtual void drawPosText( 117 const SkDraw&, 118 const void* text, size_t len, 119 const SkScalar pos[], SkScalar constY, int scalarsPerPos, 120 const SkPaint& paint) SK_OVERRIDE; 121 122 virtual void drawTextOnPath( 123 const SkDraw&, 124 const void* text, size_t len, 125 const SkPath& path, 126 const SkMatrix* matrix, 127 const SkPaint& paint) SK_OVERRIDE; 128 129 virtual void drawVertices( 130 const SkDraw&, 131 SkCanvas::VertexMode, 132 int vertexCount, const SkPoint verts[], 133 const SkPoint texs[], const SkColor colors[], 134 SkXfermode* xmode, 135 const uint16_t indices[], int indexCount, 136 const SkPaint& paint) SK_OVERRIDE; 137 138 virtual void drawDevice( 139 const SkDraw&, 140 SkBaseDevice* device, 141 int x, int y, 142 const SkPaint& paint) SK_OVERRIDE; 143 144 virtual bool allowImageFilter(const SkImageFilter*) SK_OVERRIDE; 145 146 private: 147 class TypefaceUse : ::SkNoncopyable { 148 public: 149 SkFontID typefaceId; 150 int ttcIndex; 151 SkStream* fontData; 152 IXpsOMFontResource* xpsFont; 153 SkBitSet* glyphsUsed; 154 155 explicit TypefaceUse(); 156 ~TypefaceUse(); 157 }; 158 friend static HRESULT subset_typeface(TypefaceUse* current); 159 160 SkXPSDevice(IXpsOMObjectFactory* xpsFactory); 161 162 SkAutoCoInitialize fAutoCo; 163 SkTScopedComPtr<IXpsOMObjectFactory> fXpsFactory; 164 SkTScopedComPtr<IStream> fOutputStream; 165 SkTScopedComPtr<IXpsOMPackageWriter> fPackageWriter; 166 167 unsigned int fCurrentPage; 168 SkTScopedComPtr<IXpsOMCanvas> fCurrentXpsCanvas; 169 SkSize fCurrentCanvasSize; 170 SkVector fCurrentUnitsPerMeter; 171 SkVector fCurrentPixelsPerMeter; 172 173 SkTArray<TypefaceUse, true> fTypefaces; 174 175 HRESULT initXpsDocumentWriter(IXpsOMImageResource* image); 176 177 HRESULT createXpsPage( 178 const XPS_SIZE& pageSize, 179 IXpsOMPage** page); 180 181 HRESULT createXpsThumbnail( 182 IXpsOMPage* page, const unsigned int pageNumber, 183 IXpsOMImageResource** image); 184 185 void internalDrawRect( 186 const SkDraw&, 187 const SkRect& r, 188 bool transformRect, 189 const SkPaint& paint); 190 191 HRESULT createXpsBrush( 192 const SkPaint& skPaint, 193 IXpsOMBrush** xpsBrush, 194 const SkMatrix* parentTransform = NULL); 195 196 HRESULT createXpsSolidColorBrush( 197 const SkColor skColor, const SkAlpha alpha, 198 IXpsOMBrush** xpsBrush); 199 200 HRESULT createXpsImageBrush( 201 const SkBitmap& bitmap, 202 const SkMatrix& localMatrix, 203 const SkShader::TileMode (&xy)[2], 204 const SkAlpha alpha, 205 IXpsOMTileBrush** xpsBrush); 206 207 HRESULT createXpsLinearGradient( 208 SkShader::GradientInfo info, 209 const SkAlpha alpha, 210 const SkMatrix& localMatrix, 211 IXpsOMMatrixTransform* xpsMatrixToUse, 212 IXpsOMBrush** xpsBrush); 213 214 HRESULT createXpsRadialGradient( 215 SkShader::GradientInfo info, 216 const SkAlpha alpha, 217 const SkMatrix& localMatrix, 218 IXpsOMMatrixTransform* xpsMatrixToUse, 219 IXpsOMBrush** xpsBrush); 220 221 HRESULT createXpsGradientStop( 222 const SkColor skColor, 223 const SkScalar offset, 224 IXpsOMGradientStop** xpsGradStop); 225 226 HRESULT createXpsTransform( 227 const SkMatrix& matrix, 228 IXpsOMMatrixTransform ** xpsTransform); 229 230 HRESULT createXpsRect( 231 const SkRect& rect, 232 BOOL stroke, BOOL fill, 233 IXpsOMGeometryFigure** xpsRect); 234 235 HRESULT createXpsQuad( 236 const SkPoint (&points)[4], 237 BOOL stroke, BOOL fill, 238 IXpsOMGeometryFigure** xpsQuad); 239 240 HRESULT CreateTypefaceUse( 241 const SkPaint& paint, 242 TypefaceUse** fontResource); 243 244 HRESULT AddGlyphs( 245 const SkDraw& d, 246 IXpsOMObjectFactory* xpsFactory, 247 IXpsOMCanvas* canvas, 248 TypefaceUse* font, 249 LPCWSTR text, 250 XPS_GLYPH_INDEX* xpsGlyphs, 251 UINT32 xpsGlyphsLen, 252 XPS_POINT *origin, 253 FLOAT fontSize, 254 XPS_STYLE_SIMULATION sims, 255 const SkMatrix& transform, 256 const SkPaint& paint); 257 258 HRESULT addXpsPathGeometry( 259 IXpsOMGeometryFigureCollection* figures, 260 BOOL stroke, BOOL fill, const SkPath& path); 261 262 HRESULT createPath( 263 IXpsOMGeometryFigure* figure, 264 IXpsOMVisualCollection* visuals, 265 IXpsOMPath** path); 266 267 HRESULT sideOfClamp( 268 const SkRect& leftPoints, const XPS_RECT& left, 269 IXpsOMImageResource* imageResource, 270 IXpsOMVisualCollection* visuals); 271 272 HRESULT cornerOfClamp( 273 const SkRect& tlPoints, 274 const SkColor color, 275 IXpsOMVisualCollection* visuals); 276 277 HRESULT clip( 278 IXpsOMVisual* xpsVisual, 279 const SkDraw& d); 280 HRESULT clipToPath( 281 IXpsOMVisual* xpsVisual, 282 const SkPath& clipPath, 283 XPS_FILL_RULE fillRule); 284 285 HRESULT drawInverseWindingPath( 286 const SkDraw& d, 287 const SkPath& devicePath, 288 IXpsOMPath* xpsPath); 289 290 HRESULT shadePath( 291 IXpsOMPath* shadedPath, 292 const SkPaint& shaderPaint, 293 const SkMatrix& matrix, 294 BOOL* fill, BOOL* stroke); 295 296 void convertToPpm( 297 const SkMaskFilter* filter, 298 SkMatrix* matrix, 299 SkVector* ppuScale, 300 const SkIRect& clip, SkIRect* clipIRect); 301 302 HRESULT applyMask( 303 const SkDraw& d, 304 const SkMask& mask, 305 const SkVector& ppuScale, 306 IXpsOMPath* shadedPath); 307 308 virtual SkBaseDevice* onCreateDevice(const SkImageInfo&, Usage) SK_OVERRIDE; 309 310 // Disable the default copy and assign implementation. 311 SkXPSDevice(const SkXPSDevice&); 312 void operator=(const SkXPSDevice&); 313 314 typedef SkBitmapDevice INHERITED; 315 }; 316 317 #endif 318
